Amphastar Pharmaceuticals, Inc.
US ˙ NasdaqGS ˙ US03209R1032

Pengenalan

Halaman ini menyediakan analisis menyeluruh tentang sejarah dagangan orang dalam yang diketahui Zhang Jack Y.. Orang dalam ialah pegawai, pengarah atau pelabur penting dalam syarikat. Adalah haram bagi orang dalam untuk membuat perdagangan dalam syarikat mereka berdasarkan maklumat khusus bukan awam. Ini tidak bermakna haram bagi mereka untuk membuat sebarang perdagangan dalam syarikat mereka sendiri. Tetapi mereka mesti melaporkan semua perdagangan kepada SEC melalui Borang 4. Walaupun terdapat sekatan ini, penyelidikan akademik menunjukkan bahawa orang dalam - secara amnya - cenderung untuk mengatasi prestasi pasaran dalam syarikat mereka sendiri.

Purata Keuntungan Perdagangan

Purata keuntungan perdagangan ialah purata pulangan semua pembelian pasaran terbuka yang dibuat oleh orang dalam dalam tempoh tiga tahun terakhir. Untuk mengira ini, kami memeriksa setiap pembelian pasaran terbuka yang tidak dirancang oleh orang dalam, tidak termasuk semua dagangan yang ditandakan sebagai sebahagian daripada pelan dagangan 10b5-1. Kami kemudian mengira prestasi purata dagangan tersebut sepanjang 3, 6 dan 12 bulan, dengan purata setiap tempoh tersebut untuk menjana metrik prestasi akhir bagi setiap dagangan. Akhir sekali, kami puratakan semua metrik prestasi untuk mengira metrik prestasi untuk orang dalam. Senarai ini hanya termasuk orang dalam yang telah membuat sekurang-kurangnya tiga dagangan dalam dua tahun lepas.

Jika keuntungan berdagang orang dalam ini ialah "N/A", maka orang dalam sama ada tidak membuat sebarang pembelian pasaran terbuka dalam tempoh tiga tahun terakhir, atau dagangan yang mereka buat adalah terlalu baru untuk mengira metrik prestasi yang boleh dipercayai.

Kekerapan Kemas Kini: Harian

Lihat senarai pedagang dalaman yang paling menguntungkan.

Syarikat dengan Kedudukan Orang Dalam yang Dilaporkan

Pemfailan SEC menunjukkan Zhang Jack Y. telah melaporkan pegangan atau perdagangan dalam syarikat berikut:

Sekuriti Tajuk Pegangan Terkini Dilaporkan
US:AMPH / Amphastar Pharmaceuticals, Inc. CEO & CHIEF SCIENTIFIC OFFICER, Director, 10% Owner 2,847,659
Bagaimana Mentafsir Carta

Carta berikut menunjukkan prestasi saham sekuriti selepas setiap dagangan pasaran terbuka dan tidak dirancang yang dibuat oleh Zhang Jack Y.. Perdagangan tidak dirancang ialah dagangan yang tidak dibuat sebagai sebahagian daripada pelan dagangan 10b5-1. Prestasi saham dicatatkan sebagai perubahan peratus kumulatif dalam harga saham. Sebagai contoh, jika perdagangan orang dalam dibuat pada 1 Januari 2019, carta akan menunjukkan perubahan peratusan harian sekuriti kepada hari ini. Jika harga saham naik dari $10 kepada $15 pada masa ini, perubahan peratus terkumpul dalam harga saham ialah 50%. Perubahan dalam harga daripada $10 kepada $20 ialah 100% dan perubahan dalam harga $10 hingga $5 ialah -50%.

Secara dasarnya, kami cuba untuk menentukan sejauh mana dagangan orang dalam berkait rapat dengan pulangan berlebihan (positif atau negatif) dalam harga saham untuk melihat sama ada orang dalam menetapkan masa dagangan mereka untuk mendapat keuntungan daripada maklumat orang dalam. Pertimbangkan situasi di mana orang dalam melakukan perkara ini. Dalam keadaan ini, kami menjangkakan sama ada (a) pulangan positif selepas pembelian, atau (b) pulangan negatif selepas jualan. Dalam kes (a), carta PEMBELIAN akan menunjukkan satu siri keluk condong ke atas, menunjukkan pulangan positif selepas setiap transaksi pembelian. Dalam kes (b), carta JUALAN akan menunjukkan satu siri keluk condong ke bawah, menunjukkan pulangan negatif selepas setiap transaksi jualan.

Walau bagaimanapun, ini sahaja tidak cukup untuk membuat kesimpulan. Jika, sebagai contoh, harga saham syarikat berada dalam pendakian bukan disebabkan kitaran selama bertahun-tahun, maka kami menjangkakan semua plot selepas pembelian akan condong ke atas. Begitu juga, kemerosotan bukan disebabkan kitaran selama bertahun-tahun akan mengakibatkan plot pasca perdagangan condong ke bawah. Kedua-dua carta ini tidak akan mencadangkan aktiviti perdagangan orang dalam.

Penunjuk terkuat ialah keadaan di mana harga saham adalah sangat kitaran, dan terdapat kedua-dua isyarat positif dalam carta PEMBELIAN dan plot negatif pada carta JUALAN. Situasi ini akan sangat menunjukkan orang dalam yang menentukan masa perdagangan untuk kelebihan kewangan mereka.

Pembelian Orang Dalam AMPH / Amphastar Pharmaceuticals, Inc. - Analisis Keuntungan Jangka Pendek

Dalam bahagian ini, kami menganalisis keuntungan setiap pembelian orang dalam pasaran terbuka yang tidak dirancang yang dibuat dalam AMPH / Amphastar Pharmaceuticals, Inc.. Analisis ini membantu untuk memahami sama ada orang dalam secara konsisten menjana pulangan tidak normal dan patut diikuti. Analisis ini adalah untuk satu tahun selepas setiap perdagangan, dan hasilnya adalah bersifat teori .

Jadual berikut menunjukkan pembelian pasaran terbuka terkini yang bukan sebahagian daripada pelan dagangan automatik.

Tarikh Dagangan Simbol Saham Orang dalam Saham
Dilaporkan
Harga
Dilaporkan
Saham
Dilaraskan
Harga
Dilaraskan
Asas Kos Hari ke
Maks
Harga pada
Maks
Maks
Keuntungan ($)
Pulangan Maks (%)
2018-05-16 AMPH Zhang Jack Y. 15,000 16.0569 15,000 16.0569 240,854 289 25.2800 138,347 57.44
2018-05-15 AMPH Zhang Jack Y. 25,000 16.0788 25,000 16.0788 401,970

Harga Larasan ialah harga larasan berpecah. Saham Larasan ialah saham terlaras berpecah.

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
Jualan Orang Dalam AMPH / Amphastar Pharmaceuticals, Inc. - Analisis Kerugian Jangka Pendek

Dalam bahagian ini, kami menganalisis pengelakan kerugian jangka pendek bagi setiap jualan dalaman pasaran terbuka yang tidak dirancang yang dibuat dalam AMPH / Amphastar Pharmaceuticals, Inc.. Corak pengelakan kerugian yang konsisten mungkin mencadangkan bahawa urus niaga jualan masa hadapan mungkin meramalkan penurunan harga. Analisis ini adalah untuk satu tahun selepas setiap perdagangan, dan hasilnya adalah teori .

Jadual berikut menunjukkan jualan pasaran terbuka terkini yang bukan sebahagian daripada pelan dagangan automatik.

Tarikh Dagangan Simbol Saham Orang dalam Saham
Dilaporkan
Harga
Dilaporkan
Saham
Dilaraskan
Harga
Dilaraskan
Asas Kos Hari ke
Min
Harga pada
Min
Kerugian Maks
Dielakkan ($)
Kerugian Maks
Dielakkan (%)
2019-09-11 AMPH Zhang Jack Y. 300,000 20.8200 300,000 20.8200 6,246,000 191 12.66 -2,448,000 -39.19
2018-12-14 AMPH Zhang Jack Y. 43,577 20.4766 43,577 20.4766 892,309

Harga Larasan ialah harga larasan berpecah. Saham Larasan ialah saham terlaras berpecah.

AMPH / Amphastar Pharmaceuticals, Inc. Insider Trades
Sejarah Dagangan Orang Dalam

Jadual ini menunjukkan senarai lengkap dagangan orang dalam yang dibuat oleh Zhang Jack Y. seperti yang didedahkan kepada Suruhanjaya Bursa Sekuriti (SEC).

Tarikh Fail Tarikh Tran Borang Simbol Saham Sekuriti Kod 10b5-1 Saham Baki Saham Peratus
Ubah
Saham
harga
Tran
Nilai
Baki
Nilai
2025-06-16 2025-06-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 200,000 2,847,659 7.55 13.03 2,606,000 37,104,997
2025-03-18 2025-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,223 1,185,475 -0.61 27.69 -200,005 32,825,803
2025-03-18 2025-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -16,150 2,647,659 -0.61 27.69 -447,194 73,313,678
2025-03-18 2025-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,115 1,192,698 -0.34 26.66 -109,706 31,797,329
2025-03-18 2025-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,765 2,663,809 -0.37 26.66 -260,335 71,017,148
2025-03-18 2025-03-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -162,657 1,196,813 -11.96 26.66 -4,336,436 31,907,035
2025-03-18 2025-03-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 211,213 1,359,470 18.39 14.69 3,102,719 19,970,614
2025-03-18 2025-03-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -226,285 2,673,574 -7.80 26.66 -6,032,758 71,277,483
2025-03-18 2025-03-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 290,477 2,899,859 11.13 14.69 4,267,107 42,598,929
2025-03-12 2025-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 48,996 1,148,257 4.46
2025-03-12 2025-03-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 116,226 2,609,382 4.66
2025-03-10 2025-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,069 1,099,261 -0.28 28.32 -86,914 31,131,072
2025-03-10 2025-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,645 2,493,156 -0.39 28.32 -273,146 70,606,178
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,426 1,102,330 -0.22 27.62 -67,006 30,446,355
2025-03-06 2025-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -5,753 2,502,801 -0.23 27.62 -158,898 69,127,364
2024-11-12 2024-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
G - Gift -125,000 1,104,756 -10.16
2024-11-12 2024-11-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
G - Gift -125,000 1,104,756 -10.16
2024-09-16 2024-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 100,000 2,633,554 3.95 14.69 1,469,000 38,686,908
2024-06-11 2024-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 100,000 2,533,554 4.11 14.69 1,469,000 37,217,908
2024-03-19 2024-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,052 1,229,756 -0.57 43.05 -303,589 52,940,996
2024-03-19 2024-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -15,768 2,433,554 -0.64 43.05 -678,812 104,764,500
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -202,658 1,236,808 -14.08 43.05 -8,724,427 53,244,584
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 310,930 1,439,466 27.55 12.46 3,874,188 17,935,746
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -408,721 2,449,322 -14.30 43.05 -17,595,439 105,443,312
2024-03-19 2024-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 722,046 2,858,043 33.80 12.46 8,996,693 35,611,216
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,990 1,128,536 -0.26 46.31 -138,467 52,262,502
2024-03-08 2024-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,031 2,135,997 -0.33 46.31 -325,606 98,918,021
2024-03-06 2024-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 27,110 1,131,526 2.45
2024-03-06 2024-03-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 64,310 2,143,028 3.09
2024-01-11 2024-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,716 1,104,416 -0.16 57.00 -97,817 62,954,915
2024-01-11 2024-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -920 1,106,132 -0.08 55.95 -51,477 61,891,846
2024-01-11 2024-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -50,514 1,107,052 -4.36 54.89 -2,772,506 60,761,545
2024-01-11 2024-01-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -78,236 1,157,566 -6.33 54.32 -4,249,967 62,881,763
2024-01-10 2024-01-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -3,714 1,235,802 -0.30 58.35 -216,720 72,111,642
2024-01-10 2024-01-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -31,764 1,239,516 -2.50 57.70 -1,832,872 71,523,544
2024-01-10 2024-01-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -50,678 1,271,280 -3.83 56.70 -2,873,640 72,086,534
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,152 1,321,958 -0.16 63.27 -136,149 83,635,259
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -1,663 1,324,110 -0.13 61.81 -102,784 81,838,472
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -4,261 1,325,773 -0.32 61.19 -260,742 81,127,629
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -27,563 1,330,034 -2.03 59.99 -1,653,623 79,794,459
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -37,865 1,357,597 -2.71 59.24 -2,243,142 80,424,725
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -41,282 1,395,462 -2.87 58.25 -2,404,474 81,278,824
2024-01-10 2024-01-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -18,858 1,436,744 -1.30 56.98 -1,074,563 81,868,259
2023-03-20 2023-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,052 1,455,602 -0.48 36.29 -255,917 52,823,797
2023-03-20 2023-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -15,768 2,078,718 -0.75 36.29 -572,221 75,436,676
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,998 1,462,654 -0.68 37.60 -375,925 54,995,790
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -25,241 2,094,486 -1.19 37.60 -949,062 78,752,674
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
G - Gift -57,365 0 -100.00
2023-03-20 2023-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
G - Gift -57,365 0 -100.00
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,803 1,530,017 -0.18 36.84 -103,263 56,365,826
2023-03-17 2023-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -8,434 2,177,092 -0.39 36.84 -310,709 80,204,069
2023-03-08 2023-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 34,301 1,532,820 2.29
2023-03-08 2023-03-06 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 81,383 2,185,526 3.87
2022-05-23 2022-05-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -10,650 2,104,143 -0.50 34.21 -364,365 71,988,413
2022-05-20 2022-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -115 2,114,793 -0.01 34.28 -3,942 72,495,104
2022-05-20 2022-05-19 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -41,615 2,114,908 -1.93 33.76 -1,404,818 71,394,007
2022-05-20 2022-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,006 2,156,523 -0.09 35.78 -71,779 77,165,137
2022-05-20 2022-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -9,776 2,158,529 -0.45 34.77 -339,926 75,055,291
2022-05-20 2022-05-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -55,264 2,168,305 -2.49 33.97 -1,877,395 73,660,356
2022-05-18 2022-05-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -2,837 2,223,569 -0.13 36.14 -102,534 80,363,341
2022-05-18 2022-05-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -47,539 2,226,406 -2.09 35.74 -1,698,906 79,565,294
2022-05-18 2022-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,795 2,273,945 -0.60 36.41 -502,269 82,793,200
2022-05-18 2022-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -54,274 2,287,740 -2.32 35.58 -1,931,188 81,402,822
2022-03-18 2022-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,052 1,498,519 -0.47 34.18 -241,037 51,219,379
2022-03-18 2022-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -15,768 2,342,014 -0.67 34.18 -538,950 80,050,039
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -10,426 1,505,571 -0.69 34.22 -356,778 51,520,640
2022-03-18 2022-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -25,241 2,357,782 -1.06 34.22 -863,747 80,683,300
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 74,784 74,784
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 177,461 177,461
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,786 1,515,997 -0.31 34.74 -166,266 52,665,736
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 32,412 1,520,783 2.18
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -14,759 2,383,023 -0.62 34.74 -512,728 82,786,219
2022-03-17 2022-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 76,914 2,397,782 3.31
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 133,585 133,585
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 298,688 298,688
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 56,892 1,488,371 3.97
2021-03-18 2021-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 127,209 2,320,868 5.80
2021-03-18 2021-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -8,890 1,431,479 -0.62 18.44 -163,932 26,396,473
2021-03-18 2021-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -25,241 2,193,659 -1.14 18.44 -465,444 40,451,072
2021-03-17 2021-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,592 1,440,369 -0.66 19.15 -183,687 27,583,066
2021-03-17 2021-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -28,088 2,218,900 -1.25 19.15 -537,885 42,491,935
2021-02-18 2021-02-18 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -407 6,827,679 -0.01 18.58 -7,562 126,863,055
2021-02-18 2021-02-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,801 6,828,086 -0.20 18.67 -257,723 127,509,044
2021-02-18 2021-02-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -16,259 6,841,887 -0.24 18.51 -301,031 126,675,485
2021-02-12 2021-02-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,277 6,858,146 -0.19 18.94 -251,522 129,922,089
2021-02-12 2021-02-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -19,823 6,871,423 -0.29 19.06 -377,884 130,989,250
2021-02-12 2021-02-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -15,747 6,891,246 -0.23 18.76 -295,344 129,249,453
2021-02-09 2021-02-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,927 6,906,993 -0.17 18.93 -225,776 130,747,996
2021-02-09 2021-02-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,452 6,918,920 -0.19 18.89 -254,049 130,667,956
2021-02-09 2021-02-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -15,507 6,932,372 -0.22 18.94 -293,721 131,307,445
2021-02-05 2021-02-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -25,570 6,947,879 -0.37 18.89 -483,020 131,246,129
2021-02-05 2021-02-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -16,299 6,973,449 -0.23 18.36 -299,323 128,063,904
2021-02-03 2021-02-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -13,817 6,989,748 -0.20 18.66 -257,821 130,426,601
2021-02-03 2021-02-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -24,114 7,003,565 -0.34 18.29 -441,120 128,116,915
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 181,134 181,134
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 405,003 405,003
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 68,303 1,449,961 4.94
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,771 1,381,658 -0.56 13.03 -101,256 18,003,004
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 152,724 2,246,988 7.29
2020-03-18 2020-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -25,873 2,094,264 -1.22 13.03 -337,125 27,288,260
2020-03-17 2020-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,593 1,389,429 -0.69 14.19 -136,125 19,715,998
2020-03-17 2020-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -27,179 2,120,137 -1.27 14.19 -385,670 30,084,744
2019-09-12 2019-09-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -300,000 7,027,679 -4.09 20.82 -6,246,000 146,316,277
2019-03-18 2019-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -13,941 1,399,022 -0.99 20.23 -282,026 28,302,215
2019-03-18 2019-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -32,374 2,147,316 -1.49 20.23 -654,926 43,440,203
2019-03-18 2019-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -11,832 1,412,963 -0.83 20.23 -239,361 28,584,241
2019-03-18 2019-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -27,476 2,179,690 -1.24 20.23 -555,839 44,095,129
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 110,671 110,671
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -224,737 0 -100.00
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 262,182 262,182
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -514,783 0 -100.00
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,317 1,424,795 -0.51 20.23 -148,023 28,823,603
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 41,522 1,432,112 2.99
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -200,853 1,390,590 -12.62 20.23 -4,063,256 28,131,636
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 224,737 1,591,443 16.44 15.84 3,559,834 25,208,457
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -17,205 2,207,166 -0.77 20.23 -348,057 44,650,968
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 98,368 2,224,371 4.63
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -461,097 2,126,003 -17.82 20.23 -9,327,992 43,009,041
2019-03-18 2019-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 514,783 2,587,100 24.84 15.84 8,154,163 40,979,664
2018-12-17 2018-12-14 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -43,577 2,072,317 -2.06 20.48 -892,309 42,434,006
2018-12-13 2018-12-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -29,689 7,327,679 -0.40 20.99 -623,166 153,806,517
2018-12-13 2018-12-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -37,469 7,357,368 -0.51 21.21 -794,736 156,053,454
2018-12-13 2018-12-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -3,253 7,394,837 -0.04 22.13 -71,992 163,655,877
2018-12-13 2018-12-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale -63,504 7,398,090 -0.85 21.43 -1,361,157 158,572,141
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -186,545 0 -100.00
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -319,791 0 -100.00
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -165,968 1,366,706 -10.83 15.39 -2,554,248 21,033,605
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 186,545 1,532,674 13.86 12.02 2,242,831 18,427,340
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -284,516 2,115,894 -11.85 15.39 -4,378,701 32,563,609
2018-07-03 2018-07-02 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 319,791 2,400,410 15.37 12.02 3,844,847 28,860,129
2018-05-17 2018-05-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
P - Purchase 15,000 2,080,619 0.73 16.06 240,854 33,408,291
2018-05-17 2018-05-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
P - Purchase 25,000 2,065,619 1.23 16.08 401,970 33,212,675
2018-03-28 2018-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -8,844 1,346,129 -0.65 18.61 -164,587 25,051,461
2018-03-28 2018-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -20,728 2,040,619 -1.01 18.61 -385,748 37,975,920
2018-03-20 2018-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,589 1,354,973 -0.70 19.91 -190,917 26,977,512
2018-03-20 2018-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -30,487 2,061,347 -1.46 19.91 -606,996 41,041,419
2018-03-20 2018-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,771 1,364,562 -0.57 19.91 -154,721 27,168,429
2018-03-20 2018-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -19,360 2,091,834 -0.92 19.91 -385,458 41,648,415
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 116,392 116,392
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 273,692 273,692
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 41,687 1,372,333 3.13
2018-03-16 2018-03-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 98,029 2,111,194 4.87
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -373,091 186,545 -66.67
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -639,584 319,791 -66.67
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -305,823 1,330,646 -18.69 19.30 -5,902,384 25,681,468
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 373,091 1,636,469 29.53 12.02 4,485,673 19,675,267
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -524,266 2,013,165 -20.66 19.30 -10,118,334 38,854,084
2017-12-19 2017-12-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 639,584 2,537,431 33.70 12.02 7,689,718 30,507,533
2017-11-14 2017-11-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -186,545 559,636 -25.00
2017-11-14 2017-11-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -319,792 959,375 -25.00
2017-11-14 2017-11-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise -186,545 1,263,378 -12.87 12.02 -2,242,831 15,189,594
2017-11-14 2017-11-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise -319,792 1,897,847 -14.42 12.02 -3,844,859 22,817,814
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -138,632 0 -100.00
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -176,987 0 -100.00
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -120,504 1,076,833 -10.06 15.87 -1,912,398 17,089,340
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise -138,632 1,197,337 -10.38 11.53 -1,598,427 13,805,296
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -153,882 1,578,055 -8.88 15.86 -2,440,569 25,027,952
2017-09-15 2017-09-13 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise -176,987 1,731,937 -9.27 11.53 -2,040,660 19,969,234
2017-05-25 2017-05-23 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -264,895 0 -100.00
2017-05-25 2017-05-23 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -382,448 0 -100.00
2017-05-25 2017-05-23 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 264,895 1,058,705 33.37 11.51 3,047,882 12,181,460
2017-05-25 2017-05-23 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 382,448 1,554,950 32.62 11.51 4,400,447 17,891,255
2017-03-28 2017-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,271 793,810 -1.15 14.27 -132,297 11,327,669
2017-03-28 2017-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -27,480 1,172,502 -2.29 14.27 -392,140 16,731,604
2017-03-28 2017-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -6,704 803,081 -0.83 13.76 -92,247 11,050,395
2017-03-28 2017-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -21,799 1,199,982 -1.78 13.76 -299,954 16,511,752
2017-03-20 2017-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -9,951 809,785 -1.21 13.75 -136,826 11,134,544
2017-03-20 2017-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -23,108 1,221,781 -1.86 13.75 -317,735 16,799,489
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 211,213 211,213
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 490,477 490,477
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 67,415 819,736 8.96
2017-03-20 2017-03-16 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 156,554 1,244,889 14.38
2016-09-22 2016-09-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -55,081 0 -100.00
2016-09-22 2016-09-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -500 1,088,335 -0.05 21.45 -10,726 23,346,962
2016-09-22 2016-09-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -54,581 1,088,835 -4.77 20.70 -1,129,608 22,534,529
2016-09-22 2016-09-21 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 55,081 1,143,416 5.06 16.75 922,772 19,155,648
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -181,768 0 -100.00
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -207,350 55,081 -79.01
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -95,213 752,321 -11.23 21.33 -2,030,693 16,045,427
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -86,555 847,534 -9.27 20.74 -1,795,038 17,576,753
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 181,768 934,089 24.16 16.75 3,045,159 15,648,793
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -131,198 1,088,335 -10.76 21.33 -2,798,335 23,213,206
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -76,152 1,219,533 -5.88 20.73 -1,578,403 25,277,260
2016-09-22 2016-09-20 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 207,350 1,295,685 19.05 16.75 3,473,735 21,706,611
2016-03-29 2016-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -8,641 752,321 -1.14 11.96 -103,346 8,997,759
2016-03-29 2016-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -25,856 1,088,335 -2.32 11.96 -309,238 13,016,487
2016-03-29 2016-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -6,704 760,962 -0.87 11.96 -80,180 9,101,106
2016-03-29 2016-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -15,711 1,114,191 -1.39 11.96 -187,904 13,325,724
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 310,930 310,930
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 722,046 722,046
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 79,435 767,666 11.54
2016-03-21 2016-03-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 184,466 1,129,902 19.51
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -42,223 8,481 -83.27
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -83,253 58,542 -58.71
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -38,471 679,750 -5.36 16.17 -621,972 10,989,722
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 42,223 718,221 6.25 12.97 547,632 9,315,326
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -75,618 932,276 -7.50 16.15 -1,221,132 15,055,045
2016-02-03 2015-06-12 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 83,253 1,007,894 9.00 12.97 1,079,791 13,072,385
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,930 50,704 -20.32
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,860 141,795 -8.32
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,664 675,998 -1.70 16.47 -192,093 11,132,943
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,930 687,662 1.92 12.97 167,702 8,918,976
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,600 924,641 -1.24 16.47 -191,045 15,228,282
2016-02-03 2015-06-11 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,860 936,241 1.39 12.97 166,794 12,143,046
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,619 63,634 -16.55
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,975 154,655 -7.74
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,411 674,732 -1.66 16.37 -186,820 11,046,645
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,619 686,143 1.87 12.97 163,668 8,899,275
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,731 923,381 -1.25 16.38 -192,144 15,124,242
2016-02-03 2015-06-10 4/A AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,975 935,112 1.41 12.97 168,286 12,128,403
2015-12-11 2015-12-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -15,066 7,461,594 -0.20 14.05 -211,736 104,864,496
2015-12-11 2015-12-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -21,915 7,476,660 -0.29 14.32 -313,884 107,086,706
2015-12-11 2015-12-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -26,319 7,498,575 -0.35 14.29 -376,133 107,164,385
2015-12-08 2015-12-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -24,359 7,524,894 -0.32 14.50 -353,118 109,083,873
2015-12-08 2015-12-07 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -15,046 7,549,253 -0.20 14.59 -219,490 110,127,748
2015-12-08 2015-12-04 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -28,712 7,564,299 -0.38 14.95 -429,302 113,101,399
2015-12-03 2015-12-03 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -18,583 7,593,011 -0.24 15.42 -286,461 117,047,783
2015-12-03 2015-12-01 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -20,000 7,611,594 -0.26 15.49 -309,780 117,895,979
2015-08-19 2015-08-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -8,481 0 -100.00
2015-08-19 2015-08-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -8,481 0 -100.00
2015-08-19 2015-08-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,481 670,147 1.28 12.97 109,999 8,691,807
2015-08-19 2015-08-17 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 8,481 670,147 1.28 12.97 109,999 8,691,807
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -50,061 8,481 -85.51
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,679 911,636 -0.51 16.29 -76,239 14,854,015
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -45,382 916,315 -4.72 16.29 -739,445 14,930,253
2015-06-17 2015-06-15 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 50,061 961,697 5.49 12.97 649,291 12,473,210
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -42,223 8,481 -83.27
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -83,253 58,542 -58.71
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,752 661,666 -0.56 16.17 -60,660 10,697,353
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -38,471 665,418 -5.47 16.17 -621,972 10,758,012
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 42,223 703,889 6.38 12.97 547,632 9,129,440
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -7,635 911,636 -0.83 16.15 -123,295 14,721,736
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -75,618 919,271 -7.60 16.15 -1,221,132 14,845,032
2015-06-12 2015-06-12 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 83,253 994,889 9.13 12.97 1,079,791 12,903,710
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,930 50,704 -20.32
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,860 141,795 -8.32
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,266 661,666 -0.19 16.47 -20,850 10,896,911
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,664 662,932 -1.73 16.47 -192,093 10,917,761
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,930 674,596 1.95 12.97 167,702 8,749,510
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,260 911,636 -0.14 16.47 -20,751 15,014,098
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,600 912,896 -1.25 16.47 -191,045 15,034,849
2015-06-12 2015-06-11 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,860 924,496 1.41 12.97 166,794 11,990,713
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,619 63,634 -16.55
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -12,975 154,655 -7.74
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,208 661,666 -0.18 16.37 -19,777 10,832,730
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,411 662,874 -1.69 16.37 -186,820 10,852,507
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,619 674,285 1.91 12.97 163,668 8,745,476
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -1,244 911,636 -0.14 16.38 -20,376 14,931,868
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -11,731 912,880 -1.27 16.38 -192,144 14,952,244
2015-06-12 2015-06-10 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 12,975 924,611 1.42 12.97 168,286 11,992,205
2015-06-12 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,633 661,666 -0.40 16.23 -42,744 10,741,420
2015-06-12 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -2,624 911,636 -0.29 16.24 -42,602 14,800,957
2015-06-12 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,052 664,299 -0.46 16.61 -50,690 11,033,143
2015-06-12 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -3,046 914,260 -0.33 16.61 -50,606 15,189,516
2015-06-12 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -6,173 667,351 -0.92 16.47 -101,643 10,988,401
2015-06-12 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -4,831 917,306 -0.52 16.46 -79,539 15,102,709
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -28,433 76,253 -27.16
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -28,324 167,630 -14.45
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -25,800 673,524 -3.69 16.12 -415,971 10,859,160
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 28,433 699,324 4.24 12.97 368,776 9,070,232
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -25,700 922,137 -2.71 16.24 -417,255 14,971,447
2015-06-09 2015-06-09 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 28,324 947,837 3.08 12.97 367,362 12,293,446
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -30,152 104,686 -22.36
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -30,066 195,954 -13.30
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -27,100 670,891 -3.88 16.61 -450,096 11,142,627
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 30,152 697,991 4.51 12.97 391,071 9,052,943
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -27,020 919,513 -2.85 16.61 -448,910 15,276,789
2015-06-09 2015-06-08 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 30,066 946,533 3.28 12.97 389,956 12,276,533
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -50,162 134,838 -27.11
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
M - Exercise -48,980 226,020 -17.81
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -43,989 667,839 -6.18 16.47 -724,310 10,996,437
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 50,162 711,828 7.58 12.97 650,601 9,232,409
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
S - Sale X -44,149 916,467 -4.60 16.46 -726,878 15,088,896
2015-06-09 2015-06-05 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
M - Exercise 48,980 960,616 5.37 12.97 635,271 12,459,190
2015-06-09 2015-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -8,641 661,666 -1.29 15.43 -133,331 10,209,506
2015-06-09 2015-03-27 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
F - Taxes -20,877 911,636 -2.24 15.43 -322,132 14,066,543
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 327,647 327,647
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Employee Stock Option (right to buy)
A - Award 767,912 767,912
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 53,511 670,307 8.68
2015-03-30 2015-03-26 4 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
A - Award 125,418 932,513 15.54
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
9,292,797
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,801,676
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
16,275,283
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,648,689
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,843,689
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
9,292,797
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,801,676
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
16,275,283
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,648,689
2014-06-24 3 AMPH Amphastar Pharmaceuticals, Inc.
Common Stock
8,843,689
P
Pasaran terbuka atau pembelian persendirian sekuriti bukan derivatif atau derivatif
S
Pasaran terbuka atau jualan persendirian sekuriti bukan derivatif atau derivatif
A
Pemberian, penganugerahan atau pemerolehan lain sekuriti daripada syarikat (seperti opsyen)
C
Penukaran derivatif
D
Penjualan atau pemindahan sekuriti kembali kepada syarikat
F
Pembayaran harga pelaksanaan atau liabiliti cukai menggunakan sebahagian daripada sekuriti yang diterima daripada syarikat
G
Hadiah sekuriti oleh atau kepada orang dalam
K
Swap ekuiti dan urus niaga lindung nilai yang serupa
M
Pelaksanaan atau penukaran sekuriti derivatif yang diterima daripada syarikat (seperti opsyen)
V
Transaksi dilaporkan secara sukarela pada Borang 4
J
Lain-lain (disertai dengan nota kaki yang menerangkan transaksi)